IBM Cloud Internet Services (CIS) offers a high availability option using range and load balancers.
IBM Cloud Internet Services (CIS): CIS provides security, reliability, and performance for internet-
facing applications by offering features like DDoS protection, global load balancing, and content
delivery.
High Availability with Load Balancers: CIS uses global load balancing to distribute traffic across
multiple servers or data centers, ensuring high availability and minimizing downtime. The range load
balancers provide the flexibility to direct traffic efficiently.
Reference from IBM Cloud Professional Architect Materials:
As detailed in IBM's CIS documentation, one of the solutions provided is to ensure high availability
through the use of load balancers.
Other options are incorrect:
A . Supporting multi-VLAN and NAT is related to network configuration.
B . Protecting public network, private network, and VLAN is more about network security.
C . Managing from API and portal with appliance GUI relates to management interfaces, not core CIS
functionality.